Table 2.

Ranges of lactulose and mannitol in the urine of control and exposed mice of different ages.

Lactulose and Mannitol Urine Concentrations by Age at Time of Radiation, Radiation, and Time after Radiation
Age (days)	Radiation	Days after Radiation	Lactulose (μmol/mL)	Mannitol (μmol/mL)
62	Sham	7	0.135–0.164	12.3–15.6
62	Local Abdominal	7	0.205–0.294	17.9–28.6
62	Sham	10	0.104–0.176	12.6–17.4
62	Local Abdominal	10	0.286–0.327	21.3–26.8
70	Sham	7	0.168–0.206	15.1–17.9
70	Local Abdominal	7	0.189–0.266	16.2–20.8
70	Sham	10	0.103–0.192	11.4–15.2
70	Local Abdominal	10	0.244–0.265	20.2–27.5
78	Sham	7	0.182–0.217	17.5–19.5
78	Local Abdominal	7	0.151–0.218	17.6–18.3
78	Sham	10	0.177–0.192	16.5–20.4
78	Local Abdominal	10	0.183–0.302	16.1–19.4

Local abdominal radiation was performed with the Small Animal Radiation Research Platform. Mice were exposed to 12.5 Gy in a one cm transverse section just below the last rib and just ventral to the spine. Values given are in ranges (n = 4 per age, radiation, day after radiation).